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WikiCards · Card list · Science cards · Pavel Urysohn
Common card · Science
Pavel Urysohn, a Common card
Pavel Samuilovich Urysohn was a Soviet mathematician who is best known for his contributions to the theory of topological dimension, and for developing Urysohn's metrization theorem and Urysohn's lemma, both of which are fundamental results in topology.
- Rarity
- Common
- Domain
- Science
- ATK
- 50
- DEF
- 31
- Power
- 81
- Wikipedia reads a year
- 6,200
Power 81 (ATK + DEF): stronger than 25 % of WikiCards cards.
The facts on the card
The card carries these facts from its Wikipedia article.
- He also constructed what is now called the Urysohn universal space and his name is also commemorated in the terms Fréchet–Urysohn space, Menger–Urysohn dimension and Urysohn integral equation.
- He and Pavel Alexandrov formulated the modern definition of compactness in 1923.
Why it is Common
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Pavel Urysohn article was read about 6,200 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 50 and blocks with 31: each hit it takes is cut by 12 %.
How to get Pavel Urysohn
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
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Credits
Text : Wikipedia, Pavel Urysohn (revision), CC BY-SA 4.0. Photo : Unknown – Historical photo, Public domain, Wikimedia Commons.
